Using the front panel Standby button, power the unit down and then back up.
This will reset the DACs and restore audio. The unit may have needed a
restart or system restore due to a static discharge to the chassis.
Also, make sure that the Volume control (knob) is turned all the way up to
0 dB attenuation - i.e., 100% of the available signal.
********************
According to the AudioTron Specifications:
http://www.turtlebeach.com/site/products/audiotron/specs.asp
***REAR PANEL LINE OUTPOUTS ARE MUTED WHEN HEADPHONES ARE INSERTED***
If you get no Analog Audio Out, make sure nothing is connected to the
front Headphones jack. This does not apply to the Digital S/PDIF Out.
***
To diagnose the analog Audio issue, connect headphones to the front jack and
check if there is any signal. The headphone output on the front and the analog
output on the back are connected, perhaps something got bent inside from use.
If there is no signal on the Headphones Output, all further testing can only
be done with opening the case (should be done by TB or a certified technician
because of dangerous voltage inside).
There are 2 possible causes for the defect then: First (easy) is that the
cable between the main board and the headphone plug is defective. This cable
leads the analog signal from the main board to the headphone plug switch and
then back to the main board. If there is any interruption there, the analog
audio remains silent. The second one (not so easy) is main board that failed.
That's hard to repair - in most cases you need a new main board.
********************
Optical (Toslink) S/PDIF reminder:
The digital out will only play files that are 32 kHz or 44.1 kHz. What is
sent through the S/PDIF digital output: it's not the bitrate that matters
but the sample rate. Only 32 kHz and 44.1 kHz are supported by the
digital output.
Though bitrate and sample rate are two different things, there usually is
a relation: eg. LAME automatically resamples 44.1 kHz (CD) input to 32 kHz
for target bitrates lower than approx. 100 kbps, and to 22.05 kHz when the
target bitrate is lower than approx. 70 kbps.
See also http://www.audiotron.net/specs.asp
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